anchor bolt design for equipment foundations ct-vt-sa-ds-lt & cb-r01

Client:

Prepared: Date:

Date:

Fichtner-PES-DMC-BAKRevision:

A4

22/10/2015

NTT-GOL-CHT-031NTT-GOL-CHT-032

7Consultant

Water and Power Development

Authority (WAPDA)

Project:

eng

0 22/10/2015

22/10/2015NTT-GOL-CHT-036

Issued Date

NTT-GOL-CHT-033

M. Rafique

M. Rafique

Approved By

1

Calculation Document for Drawings:

1 3/11/2015 Revised with correct loading M.M.K

Lang.

132kV GRID STATION AT CHITRAL - GOLEN GOL HYDROPOWER PROJECT - (LOT-4)

PACKAGE-1

22/10/2015

M.M.K

Rev. Date Description Prepared

Project:

NTT-GOL-CHT-034

Anchor Bolts Design Calculation for Equipment Foundations of

CB-DS-CT-VT-SA & LT

GGHP - (LOT-4) PACKAGE-1

Project Number:

M.M.Khurram

M. Rafique

Approved By:

Page

Format:

Issued for Approval

GOLEN GOL 132kV AIS Chitral Grid Station

OutputCase Global FX Global FY Global FZ Global MX Global MY

KN KN KN KN-m KN-m

DEAD 0.00 0.00 1.99 0.00 0.00

Live 5.00 2.00 9.00 1.72 4.46

W45 2.46 2.46 0.00 1.63 1.72

W0 1.93 0.00 0.00 0.02 1.23

EQX 1.13 0.00 0.00 0.01 0.96

EQY 0.00 1.13 0.00 0.93 0.00

Factored Load (1.2D+1.6L+0.8W) 9.97 5.17 16.79 4.06 8.51

OutputCase Global FX Global FY Global FZ Global MX Global MY

KN KN KN KN-m KN-m

DEAD 0.00 0.00 1.45 0.00 0.00

Live 3.00 4.00 7.60 3.08 2.69

W45 1.77 1.77 0.00 0.84 0.97

W0 1.78 0.00 0.00 0.02 0.97

EQX 0.52 0.00 0.00 0.00 0.38

EQY 0.00 0.52 0.00 0.34 0.00

Factored Load (1.2D+1.6L+0.8W) 6.21 7.81 13.90 5.60 5.07

Fz Fx Fy Mx My

kN kN kN kN kN

16.79 9.97 5.17 4.06 8.51

M VR TR

kN kN kN

9.43 11.23 16.67

Loads for CT - VT - SA - LT (Line Trap) for the design of Anchor Bolt

Loads for DS-DSE for the design of Anchor Bolt

Loading for one anchor bolt group c/c 400mm

Design Loading Maximum Taken from DS-DSE

Design Loads for Anchor Bolt of Equipment Foundations

(CT-VT-SA-DS & LT)

132kV GRID STATION AT CHITRAL - GOLEN GOL HYDROPOWER PROJECT

(LOT-4) PACKAGE-1

NETRACON Technologies


Description Symbol Formulae Value Units

1. Load on BoltTensile Load Nu 16.67 kN

Shear Vu 11.23 kN

Fu Fu F-1554-A36 400 Mpa

Fy Fy 250 Mpa

No. of Bolt in one Pedestal Nt 4 No.

No. of Bolt in Tension N 1 No.

Due to Biaxial Bending

Spacing of Bolt S 400 mm

Dia of Bolt db 30 mm

Effective Length of Bolt h eff. Pro. 600 mm

ф

2. Concrete Datafc' fc' 21 Mpa

Fy Rebars Fy 280 Mpa

Pedestal Size L 700 mm

W 700 mm

Edge Distance C1 150 mm

C2 150 mm

Vertical Steel in Pedestal d reb. 12 - #6

Area of #6 Bar A reb. 284 mm2

3. Calculation

Effective area of Bolt As eff. 3.14/4*(30-24.75/7)^2 550 mm2

Thread per inch 7

φT 0.75

Φv 0.65

Total Strength of Bolts in Tension φT Nsa N*Φt*As eff.*Fu 165 kN

Total Bolt Strength in Shear φv Vsa Φv*φT Nsa 107.3 kN

Aps

0.2*φT Nsa 33 kN

Nu 16.6700424 kN

0.2*φv Vsa 21.46 kN

Vu 11.23 kN

0.2*φT Nsa > Nu

0.2*φv Vsa > Vu

Check Interaction Equation 1.03 < 1.2 Ok

So Interaction Equation is not valid

Design Calculations for Anchor Bolt of Equipment Foundations

(CT-VT-SA-LT & DS)

With Maximum Loading of DS

3.2. Shear Strength

3.1. Tensile Strength


(LOT-4) PACKAGE-1

>Nu Strength is Ok

>Vu Strength is Ok

3.3. Shear and Tension Interaction

Nu/φT Nsa+Vu/φv Vsa <1.2

Full tension design is permitted

Full Shear design is permitted





(CT-VT-SA-LT & DS)

With Maximum Loading of DS


(LOT-4) PACKAGE-1

heff. Min. h eff. 12*d(fu/58 Y) ^0.5 360.17 mm

Y 6.89 for fu in Mpa >heff. Pro. is Ok

Use Plate Thickness 8mm W 60 mm

L 60 mm

Bearing Area Abrg W*L - 3.14/4*db 2893.5 mm2

Pullout Resistance of Bolt in tension Np Y*8*Abrg*fc'*N 486.108 kN

ΦNp 364.581 364.581 kN

3.5. Pullout Resistance of Bottom Plate

3.4. Length Of Bolt

>Nu Strength is Ok



kN'

Self Weight of equipment per Pole

Fz 14.00

Mechanical Terminal Load

Fx 4.00

Fz 20.00

Wind Load

Wx 2.80

Wy 1.90

Global FX Global FY Global FZ VR

KN KN KN KN

Factored Load (1.2D+1.6L+0.8W) 8.64 1.52 48.80 8.77

Loads for CB for the design of Anchor Bolt

Design Loads for Anchor Bolt of Equipment Foundations

(CB)

132kV GRID STATION AT CHITRAL - GOLEN GOL HYDROPOWER

PROJECT - (LOT-4) PACKAGE-1




1. Load on BoltTensile Load Nu 48.80 kN

Shear Vu 8.77 kN

Fu Fu F-1554-A36 400 Mpa

Fy Fy 250 Mpa

No. of Bolt in one Pedestal Nt 4 No.

No. of Bolt in Tension N 2 No.

No Biaxial Bending

Spacing of Bolt S 400 mm

Dia of Bolt db 30 mm

Effective Length of Bolt h eff. Pro. 600 mm

ф

2. Concrete Datafc' fc' 21 Mpa

Fy Rebars Fy 280 Mpa

Pedestal Size L 700 mm

W 700 mm

Edge Distance C1 150 mm

C2 150 mm

Vertical Steel in Pedestal d reb. 12 - #6

Area of #6 Bar A reb. 284 mm2

3. Calculation

Effective area of Bolt As eff. 3.14/4*(30-24.75/7)^2 550 mm2

Thread per inch 7

φT 0.75

Φv 0.65

Total Strength of Bolts in Tension φT Nsa N*Φt*As eff.*Fu 330 kN

Total Bolt Strength in Shear φv Vsa Φv*φT Nsa 214.5 kN

Aps

0.2*φT Nsa 66 kN

Nu 48.8 kN

0.2*φv Vsa 42.9 kN

Vu 8.77 kN

0.2*φT Nsa > Nu

0.2*φv Vsa > Vu

Check Interaction Equation 0.94 < 1.2 Ok

heff. Min. h eff. 12*d(fu/58 Y) ^0.5 360.17 mm

Y 6.89 for fu in Mpa >heff. Pro. is Ok

3.3. Shear and Tension Interaction

Full tension design is permitted

Full Shear design is permitted

So Interaction Equation is not valid

Nu/φT Nsa+Vu/φv Vsa <1.2

3.4. Length Of Bolt


(LOT-4) PACKAGE-1


(CB)

3.1. Tensile Strength

>Nu Strength is Ok

3.2. Shear Strength

>Vu Strength is Ok





(LOT-4) PACKAGE-1


(CB)

Use Plate Thickness 8mm W 60 mm

L 60 mm

Bearing Area Abrg W*L - 3.14/4*db 2893.5 mm2

Pullout Resistance of Bolt in tension Np Y*8*Abrg*fc'*N 972.216 kN

ΦNp 364.581 364.581 kN

>Nu Strength is Ok

3.5. Pullout Resistance of Bottom Plate


anchor bolt design for equipment foundations ct-vt-sa-ds-lt & cb-r01

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